orderitemaction.java

来自「用STRUTS ,HIBERNATE, SPRING 三种框架整合做的实战项目」· Java 代码 · 共 42 行

package com.ghy.action;



import java.util.ArrayList;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.ghy.data.book.Book;
import com.ghy.data.order.BookToOrderItem;
import com.ghy.data.order.Control;
import com.ghy.data.order.OrderItem;
import com.ghy.data.order.OrderItemForm;

public class OrderItemAction extends BaseAction {
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		OrderItemForm orderItemForm = (OrderItemForm)form ;
		HttpSession session = request.getSession();
		Book bookDetail = (Book) session.getAttribute("bookdetail");
		OrderItem orderItem = BookToOrderItem.convert(bookDetail);
		ArrayList list = new ArrayList();
		Control control = new Control();
		if(orderItemForm.getOrderItems().size()==0);
		{
			if(session.getAttribute("cart")!=null)
				orderItemForm=(OrderItemForm)session.getAttribute("cart");
			list = control.addGoods(orderItem, orderItemForm.getOrderItems());
			orderItemForm.setOrderItems(list);
		}
		session.setAttribute("cart", orderItemForm);
		return mapping.findForward("orderitem");
	}
}